Non-cellular layer is

1.  Theca interna

2.  Membrane granulose

3.  Corona radiate

4.  Zona pellucid

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4
Correct Answer :

Zona pellucid


Explanation :
No Explanation available for this question

Human females possess 44+XX chromosomes.The secondary oocyte shall have

1.  44+XX

2.  22222222222+X

3.  22

4.  44

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4
Correct Answer :

22222222222+X


Explanation :
No Explanation available for this question

Helotism is master and slave relationship found in:

1.  Lichens

2.  Mysmicophytes

3.  Nepenthes

4.  Cuscuta

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4
Correct Answer :

Lichens


Explanation :
No Explanation available for this question

Gestation period in human is

1.  7 months

2.  9 months

3.  25 months

4.  8 months

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4
Correct Answer :

9 months


Explanation :
No Explanation available for this question

1.  A-Theca externa B-Cumulus oophorus C-Ovum D-Theca intena E-Antrum

2.  A-Theca interna B-Ovum C-Camulus oophorus D-Antrum E-Theca externa

3.  A-Ovum B-Theca interna C-Theca externa D-Antrum E-Cumulus oophorus

4.  A-Theca externa B-Cumulus  oophorus C-Ovum D-Antrum E-Theca interna

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4
Correct Answer :

A-Ovum B-Theca interna C-Theca externa D-Antrum E-Cumulus oophorus


Explanation :
No Explanation available for this question

Insectivorous plant, Nepenthes is also known as:

1.  Sundew plant

2.  Ficus

3.  Pitcher plant

4.  Dischidia

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4
Correct Answer :

Pitcher plant


Explanation :
No Explanation available for this question

The following is a diagram of the just spawned frog’s egg;with the parts labeled from A to E.Identify the parts and choose the coorect option from those given below

1.  A-Cytoplasm B-Plasma membrane C-Vitelline membrane D-Yolk E-Jelly coat

2.  A-Cytoplasm B-Vitelline membrane C-Plasma membrane D-Yolk E-Jelly coat

3.  A-Yolk B-Plasma membrane C-Vitelline Membrane D-Cytoplasm E-Jelly coat

4.  A-Yolk B-Jelly coat C-Vitelline Membrane D-Cytoplasm E-Plasma membrane

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4
Correct Answer :

A-Cytoplasm B-Plasma membrane C-Vitelline membrane D-Yolk E-Jelly coat


Explanation :
No Explanation available for this question

The traps of carnivorous plants contain:

1.  Polysaccharides

2.  Digestive enzymes

3.  Phospholipids

4.  Weedicides

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4
Correct Answer :

Digestive enzymes


Explanation :
No Explanation available for this question

In the diagram of section of Graafian follicle,different parts are indicated by alphabets;choose the answer which these aiphabets have been correctly matched with the parts they indicate

1.  A-Thece externa B-Theca interna C-Ovum D-Cumulus oophorus E-Antrum F-Membrana granulose

2.  A-Membrane granulose B-Theca externa C-Ovum,D-Cumulus oophorus E-Antrum F-Theca interna

3.  A-Membrane granulose B-Theca interna C-Ovum D-Cumulus oophorus E-Antrum F-Theca externa

4.  A-Theca externa B-Theca interna C-Ovum D-Membrane granulose E-Antrum F-Cumulus oophorus

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4
Correct Answer :

A-Membrane granulose B-Theca interna C-Ovum D-Cumulus oophorus E-Antrum F-Theca externa


Explanation :
No Explanation available for this question

Which of the following formulae describes nitrogen fixation

1.  N2 +3H2→ 2NH3

2.  2NH+4 + 2O2 +8e- →N2 +4H2O

3.  2NH3 → N2 +3H2

4.  2N2 + glucose → 2 Amino acids

View Answer  
4
Correct Answer :

N2 +3H2→ 2NH3


Explanation :
No Explanation available for this question
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